Thomas Harte
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64da8e17d1
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Fixed: of course this should take a reference to an existing port handler rather than hatching its own; otherwise additional communication with a port handler by an i8255 owner doesn't work as intended.
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2017-08-01 17:01:20 -04:00 |
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Thomas Harte
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08ad35efd9
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It's barely an implementation of the 8255, but ensured that data is bounced into the PortHandler, conveniently assuming the interaction mode used by the CPC.
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2017-08-01 16:34:13 -04:00 |
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Thomas Harte
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58b98267fc
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Formally transferred ownership of PIO accesses to an incoming template, and decided to start being explicit about how to specify the interfaces and provide fallbacks for optional behaviour for the new, clean generation of interfaces. A full-project sweep will inevitably occur but I'll try to tie off this branch first.
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2017-08-01 16:15:19 -04:00 |
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Thomas Harte
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ace71280a0
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Removed implementation file; this is only ever going to be a template.
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2017-08-01 16:00:17 -04:00 |
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Thomas Harte
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1d99c116e7
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Actually, this is probably more correct: increment and then compare, but increment the refresh address once more after the final character, to avoid repeating it.
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2017-08-01 15:29:37 -04:00 |
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Thomas Harte
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ee27e16fb1
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Switched to post-tests increment. Seems to give proper screen width, but also eliminates that 'compare to +1' step that felt unlikely.
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2017-08-01 15:19:25 -04:00 |
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Thomas Harte
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3b1db14817
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Made a quick attempt at properly updating the refresh address.
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2017-08-01 07:36:03 -04:00 |
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Thomas Harte
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e3f677fa37
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I was under-counting row lines. Adjusted comparison. The emulator now produces a solid white square of approximately correct proportions. I'm sure that filling in pixels will reveal the next set of bugs.
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2017-07-31 22:21:46 -04:00 |
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Thomas Harte
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5c68b6cc21
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Fixed display enable reset when there's no adjustment area. A practical lesson in failure to factor.
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2017-07-31 22:16:08 -04:00 |
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Thomas Harte
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ffaa627820
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Fixed frame restart when there is no adjustment period.
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2017-07-31 22:13:45 -04:00 |
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Thomas Harte
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5a396f6787
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Added an explicit cast.
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2017-07-31 22:04:31 -04:00 |
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Thomas Harte
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cb0dc7b434
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I'm sure it's not going to be this easy, but this is a genuine attempt at full horizontal and vertical timing.
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2017-07-31 22:01:54 -04:00 |
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Thomas Harte
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e28829bd1b
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Corrected CRTC timing, gave it someone to talk to and a means with which to talk.
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2017-07-31 20:14:46 -04:00 |
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Thomas Harte
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68ceeab610
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Created a 6845 class and started pushing data at it and clocking it. It doesn't currently have the concept of a bus but will do, hence the in-header implementation.
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2017-07-31 19:56:59 -04:00 |
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Thomas Harte
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4abd62e62b
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Standardises on const [Half]Cycles as the thing called and returned, rather than const [Half]Cycles & as it's explicitly defined to be only one int in size, so using a reference is overly weighty.
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2017-07-27 22:05:29 -04:00 |
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Thomas Harte
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1da24d10fd
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Corrected a couple of build errors.
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2017-07-27 08:05:14 -04:00 |
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Thomas Harte
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8361756dc4
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Switched definitively to the works-for-now approach of requiring an explicit opt-in where somebody wants to clock a whole-cycle receiver from a half-cycle clock.
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2017-07-27 07:40:02 -04:00 |
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Thomas Harte
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1c2f68f129
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Removed, as it's been relocated.
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2017-07-25 20:43:05 -04:00 |
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Thomas Harte
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75d67ee770
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Relocated ClockReceiver.hpp as it's a dependency for parts of the static analyser, and therefore needs to be distinct from the actual emulation parts.
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2017-07-25 20:20:55 -04:00 |
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Thomas Harte
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a1e9a54765
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Eliminated redundant uses of ClockReceiver and sought to ensure that proper run_fors are inherited all the way down.
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2017-07-25 20:09:13 -04:00 |
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Thomas Harte
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545683df6f
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Added some documentation, got explicit again about cycle/half-cycle intermingling, and added flush as what amounts to divide(1), for cleaner usage without a clock divider.
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2017-07-25 19:50:40 -04:00 |
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Thomas Harte
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cfbd62a5dc
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Attempted to fix implementation of divide, and marked everything as-yet unmarked as inline.
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2017-07-25 07:43:39 -04:00 |
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Thomas Harte
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40339a12e1
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Formalised the use of a cycles count with a divider, bringing a few additional plain-int users into the fold.
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2017-07-25 07:15:31 -04:00 |
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Thomas Harte
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9be9bd9106
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Neatened layout.
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2017-07-24 22:52:35 -04:00 |
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Thomas Harte
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c1527cc9e2
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Reduced back-and-forth between Cycles and ints within the Oric.
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2017-07-24 22:46:31 -04:00 |
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Thomas Harte
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a1a3aab115
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Fixed implicit sign conversion.
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2017-07-24 22:40:15 -04:00 |
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Thomas Harte
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c77a83d86f
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The 6560 is now a ClockReceiver. This reduces to zero the number of remaining instances of the text run_for_cycles in this codebase.
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2017-07-24 22:38:35 -04:00 |
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Thomas Harte
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efdac2ce8c
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The 6522 is now a ClockReceiver.
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2017-07-24 22:29:09 -04:00 |
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Thomas Harte
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2912d7055b
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The 6532 is now a ClockReceiver.
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2017-07-24 21:57:24 -04:00 |
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Thomas Harte
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b7f88e8f61
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Filter is now a ClockReciever, affecting all sound output devices.
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2017-07-24 21:29:13 -04:00 |
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Thomas Harte
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8a2bdb8d22
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Converted the TimedEventLoop and the things that sit atop it into ClockReceivers.
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2017-07-24 21:19:05 -04:00 |
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Thomas Harte
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b82bef95f3
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Decided to follow through on Cycles and HalfCycles as complete integer-alikes. Which means giving them the interesting range of operators. Also killed the implicit conversion to int as likely to lead to type confusion.
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2017-07-24 20:10:05 -04:00 |
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Thomas Harte
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8a0b0cb3d7
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Extended both classes to allow copy assignment, copy construction and implicit zero-length construction.
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2017-07-23 22:13:41 -04:00 |
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Thomas Harte
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1ba3f262a2
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Sketched out a template for clock-receiving components to allow them to be implemented in terms of either half or whole cycles.
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2017-07-22 21:46:50 -04:00 |
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Thomas Harte
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8755824c64
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Added some documentation.
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2017-07-22 17:25:53 -04:00 |
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Thomas Harte
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64865b3f41
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Signedness fixes.
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2017-07-21 21:23:34 -04:00 |
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Thomas Harte
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53f0e1896b
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Made delay_time_ unsigned for safe comparison.
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2017-07-21 21:21:23 -04:00 |
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Thomas Harte
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aaa60dab12
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Fixed signedness of index.
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2017-07-21 21:21:01 -04:00 |
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Thomas Harte
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12f7e1b804
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Enshrined a default colour burst amplitude. Which now everybody relies on. The 102 figure is derived from the burst apparently being 40 IRE.
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2017-07-07 23:35:14 -04:00 |
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Thomas Harte
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eb8a2de5d6
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Settled definitively on flush as more communicative than synchronise (and slightly more locale neutral); culled some more duplication from the Z80.
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2017-05-15 07:38:59 -04:00 |
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Thomas Harte
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e270b726b3
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Tweaked blue, increased saturation.
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2017-05-13 22:01:02 -04:00 |
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Thomas Harte
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44ce7fa54c
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Corrected luminances across the board, and PAL colours.
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2017-05-13 21:50:09 -04:00 |
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Thomas Harte
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b0142cf050
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Made an updated stab at NTSC colours.
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2017-05-13 14:29:36 -04:00 |
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Thomas Harte
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a340331229
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Introduced 1-bit of saturation, returning black and white as black and white.
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2017-05-11 21:31:58 -04:00 |
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Thomas Harte
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15d17c12d5
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Switched the 6560 to two bytes per pixel, since one isn't sufficient for precision and because mixing up the implementation might help me to figure out what's amiss.
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2017-05-09 21:22:01 -04:00 |
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Thomas Harte
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5998123868
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Added some consts, for a minor safety improvement.
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2017-05-06 19:53:24 -04:00 |
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Thomas Harte
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e01f3f06c8
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Completed curly bracket movement.
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2017-03-26 14:34:47 -04:00 |
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Thomas Harte
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a4c5eebd1e
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The latest Atari Age-discovered numbers suggest this starts up in 1024T mode.
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2017-03-21 18:22:50 -04:00 |
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Thomas Harte
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c445eaec3e
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Switched startup values, following a comment on AtariAge. May or may not be correct, the thread was speculative.
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2017-03-19 17:38:26 -04:00 |
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Thomas Harte
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e0bca1e37b
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Reinstated the 16 and 32 kb Atari pagers, and ensured the 6532 always starts in a valid state.
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2017-03-18 17:34:34 -04:00 |
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